Home / 242,926.83-335,239.53-135,494.10

Finding the Fourth Proportional to 242,926.83, 335,239.53 and 135,494.10

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Solution

The fourth proportional to 242,926.83, 335,239.53 and 135,494.10 is: 186,982.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,926.83 : 335,239.53 = 135,494.10 : x
  2. Step 2: Convert to fraction form
    242,926.83/335,239.53 = 135,494.10/x
  3. Step 3: Cross multiply
    242,926.83x = 335,239.53 × 135,494.10
  4. Step 4: Simplify right side
    242,926.83x = 45,422,978,401.77
  5. Step 5: Solve for x
    x = 45,422,978,401.77/242,926.83
  6. Step 6: Final answer
    x = 186,982.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.